Widely used in grease, fuel, refrigeration, water, instrumentation, oil and gas and hydraulic systems. Brass Pipe Fitting,3/8x3/8 NPT Male Hex Nipple Adapter,3/8 Inch NPT Equal Hex Nipple Connector For Copper Brass Or Iron Pipe Connection 30 Pack 9b5c17d2 2e86 4cc4 B0e1 Ca079f43be41.92c8f724be488d50934aa0ebe7d707fb 3 8 Flare Male Brass Flare Tube Fitting - 1/2 Female X 3/8 Male Gas Adapter For Fuel & Plumbing Systems (-65°F To 250°F) 3/8 To 1/2 Water Line Adapter Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter. 3/8" Male NPT x 1/2" Male NPT Brass Pipe Hex Nipple Adapter WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C) It is suitable for most gases, water, oils and corrosive liquids. NOTICE - NPT is a tapered pipe thread with a 60° taper and generally cannot be screwed to the end, these brass fittings are low in lead but not suitable for drinking water. MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility. Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility. About this item SIZE - 1/8 NPT 1/4 NPT 3/8 NPT 1/2 NPT Male Outer Hex Head Socket Pipe Plug Kit. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter. MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability... It is a pipe fitting specially used for pipe connection engineering.